From 3f4521bcf4b538b6ac54817cfad22b51e347546d Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Wed, 17 Jun 2015 03:03:03 -0400
Subject: [PATCH] Fix so plain text signature field uses monospace font (#1490435)

---
 program/lib/Roundcube/rcube_smtp.php |   48 +++++++++++++++++++++++++++++++++---------------
 1 files changed, 33 insertions(+), 15 deletions(-)

diff --git a/program/lib/Roundcube/rcube_smtp.php b/program/lib/Roundcube/rcube_smtp.php
index 6ba7666..0322a0d 100644
--- a/program/lib/Roundcube/rcube_smtp.php
+++ b/program/lib/Roundcube/rcube_smtp.php
@@ -29,11 +29,12 @@
     private $conn = null;
     private $response;
     private $error;
+    private $anonymize_log = 0;
 
     // define headers delimiter
     const SMTP_MIME_CRLF = "\r\n";
 
-    const DEBUG_LINE_LENGTH = 4096;
+    const DEBUG_LINE_LENGTH = 4098; // 4KB + 2B for \r\n
 
 
     /**
@@ -67,6 +68,7 @@
             'smtp_auth_type' => $rcube->config->get('smtp_auth_type'),
             'smtp_helo_host' => $rcube->config->get('smtp_helo_host'),
             'smtp_timeout'   => $rcube->config->get('smtp_timeout'),
+            'smtp_conn_options'   => $rcube->config->get('smtp_conn_options'),
             'smtp_auth_callbacks' => array(),
         ));
 
@@ -106,10 +108,11 @@
         // IDNA Support
         $smtp_host = rcube_utils::idn_to_ascii($smtp_host);
 
-        $this->conn = new Net_SMTP($smtp_host, $smtp_port, $helo_host);
+        $this->conn = new Net_SMTP($smtp_host, $smtp_port, $helo_host, false, 0, $CONFIG['smtp_conn_options']);
 
         if ($rcube->config->get('smtp_debug')) {
             $this->conn->setDebug(true, array($this, 'debug_handler'));
+            $this->anonymize_log = 0;
         }
 
         // register authentication methods
@@ -123,7 +126,7 @@
         // try to connect to server and exit on failure
         $result = $this->conn->connect($CONFIG['smtp_timeout']);
 
-        if (PEAR::isError($result)) {
+        if (is_a($result, 'PEAR_Error')) {
             $this->response[] = "Connection failed: ".$result->getMessage();
             $this->error = array('label' => 'smtpconnerror', 'vars' => array('code' => $this->conn->_code));
             $this->conn  = null;
@@ -156,7 +159,7 @@
 
             $result = $this->conn->auth($smtp_user, $smtp_pass, $smtp_auth_type, $use_tls, $smtp_authz);
 
-            if (PEAR::isError($result)) {
+            if (is_a($result, 'PEAR_Error')) {
                 $this->error = array('label' => 'smtpautherror', 'vars' => array('code' => $this->conn->_code));
                 $this->response[] .= 'Authentication failure: ' . $result->getMessage() . ' (Code: ' . $result->getCode() . ')';
                 $this->reset();
@@ -237,18 +240,20 @@
         }
 
         // set From: address
-        if (PEAR::isError($this->conn->mailFrom($from, $from_params))) {
+        $result = $this->conn->mailFrom($from, $from_params);
+        if (is_a($result, 'PEAR_Error')) {
             $err = $this->conn->getResponse();
             $this->error = array('label' => 'smtpfromerror', 'vars' => array(
-                'from' => $from, 'code' => $this->conn->_code, 'msg' => $err[1]));
-            $this->response[] = "Failed to set sender '$from'";
+                'from' => $from, 'code' => $err[0], 'msg' => $err[1]));
+            $this->response[] = "Failed to set sender '$from'. "
+                . $err[1] . ' (Code: ' . $err[0] . ')';
             $this->reset();
             return false;
         }
 
         // prepare list of recipients
         $recipients = $this->_parse_rfc822($recipients);
-        if (PEAR::isError($recipients)) {
+        if (is_a($recipients, 'PEAR_Error')) {
             $this->error = array('label' => 'smtprecipientserror');
             $this->reset();
             return false;
@@ -256,11 +261,13 @@
 
         // set mail recipients
         foreach ($recipients as $recipient) {
-            if (PEAR::isError($this->conn->rcptTo($recipient, $recipient_params))) {
+            $result = $this->conn->rcptTo($recipient, $recipient_params);
+            if (is_a($result, 'PEAR_Error')) {
                 $err = $this->conn->getResponse();
                 $this->error = array('label' => 'smtptoerror', 'vars' => array(
-                    'to' => $recipient, 'code' => $this->conn->_code, 'msg' => $err[1]));
-                $this->response[] = "Failed to add recipient '$recipient'";
+                    'to' => $recipient, 'code' => $err[0], 'msg' => $err[1]));
+                $this->response[] = "Failed to add recipient '$recipient'. "
+                    . $err[1] . ' (Code: ' . $err[0] . ')';
                 $this->reset();
                 return false;
             }
@@ -283,7 +290,8 @@
         }
 
         // Send the message's headers and the body as SMTP data.
-        if (PEAR::isError($result = $this->conn->data($data, $text_headers))) {
+        $result = $this->conn->data($data, $text_headers);
+        if (is_a($result, 'PEAR_Error')) {
             $err = $this->conn->getResponse();
             if (!in_array($err[0], array(354, 250, 221))) {
                 $msg = sprintf('[%d] %s', $err[0], $err[1]);
@@ -293,7 +301,7 @@
             }
 
             $this->error = array('label' => 'smtperror', 'vars' => array('msg' => $msg));
-            $this->response[] = "Failed to send data";
+            $this->response[] = "Failed to send data. " . $msg;
             $this->reset();
             return false;
         }
@@ -329,9 +337,19 @@
      */
     public function debug_handler(&$smtp, $message)
     {
+        // catch AUTH commands and set anonymization flag for subsequent sends
+        if (preg_match('/^Send: AUTH ([A-Z]+)/', $message, $m)) {
+            $this->anonymize_log = $m[1] == 'LOGIN' ? 2 : 1;
+        }
+        // anonymize this log entry
+        else if ($this->anonymize_log > 0 && strpos($message, 'Send:') === 0 && --$this->anonymize_log == 0) {
+            $message = sprintf('Send: ****** [%d]', strlen($message) - 8);
+        }
+
         if (($len = strlen($message)) > self::DEBUG_LINE_LENGTH) {
-            $message = substr_replace($message, "\n-----[debug cut]----\n",
-                self::DEBUG_LINE_LENGTH/2 - 11, $len - self::DEBUG_LINE_LENGTH - 22);
+            $diff    = $len - self::DEBUG_LINE_LENGTH;
+            $message = substr($message, 0, self::DEBUG_LINE_LENGTH)
+                . "... [truncated $diff bytes]";
         }
 
         rcube::write_log('smtp', preg_replace('/\r\n$/', '', $message));

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